Home / 13,565.69-20,345.78-3,704.14

Finding the Fourth Proportional to 13,565.69, 20,345.78 and 3,704.14

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Solution

The fourth proportional to 13,565.69, 20,345.78 and 3,704.14 is: 5,555.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,565.69 : 20,345.78 = 3,704.14 : x
  2. Step 2: Convert to fraction form
    13,565.69/20,345.78 = 3,704.14/x
  3. Step 3: Cross multiply
    13,565.69x = 20,345.78 × 3,704.14
  4. Step 4: Simplify right side
    13,565.69x = 75,363,575.93
  5. Step 5: Solve for x
    x = 75,363,575.93/13,565.69
  6. Step 6: Final answer
    x = 5,555.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.